docs: def callConfirmed(RepeatIndicator_presence=0,
                    BearerCapability_presence=0, BearerCapability_presence1=0,
                    Cause_presence=0, CallControlCapabilities_presence=0):
      """CALL CONFIRMED Section 9.3.2"""
      a = TpPd(pd=0x3)
      b = MessageType(mesType=0x8)  # 00001000
      packet = a / b
      if RepeatIndicator_presence is 1:
          c = RepeatIndicatorHdr(ieiRI=0xD, eightBitRI=0x0)
          packet = packet / c
      if BearerCapability_presence is 1:
          d = BearerCapabilityHdr(ieiBC=0x04, eightBitBC=0x0)
          packet = packet / d
      if BearerCapability_presence1 is 1:
          e = BearerCapabilityHdr(ieiBC=0x04, eightBitBC=0x0)
          packet = packet / e
      if Cause_presence is 1:
          f = CauseHdr(ieiC=0x08, eightBitC=0x0)
          packet = packet / f
      if CallControlCapabilities_presence is 1:
          g = CallControlCapabilitiesHdr(ieiCCC=0x15, eightBitCCC=0x0)
          packet = packet / g
      return packet